def update(self, model):
if random() > .8:
speed = 5 * random()
if speed < 3:
speed = 3
elif speed > 7:
speed = 7
angle = random() - random()
if angle > 0.5:
angle = 0.5
elif angle < -0.5:
angle = 0.5
Prey.set_speed(self, speed)
Prey.set_angle(self, Prey.get_angle(self) + angle)
Prey.move(self)
def __init__(self, x, y):
Prey.randomize_angle(self)
Prey.__init__(self, x, y, 10, 10, Prey.get_angle(self), 5)
def __init__(self, x, y):
self._image = PhotoImage(file='ufo.gif')
ball = Prey(x, y, 10, 10, 1, 5)
ball.randomize_angle()
ang = ball.get_angle()
Prey.__init__(self, x, y, 10, 10, ang, 5)
def __init__(self, x, y):
ball = Prey(x, y, 10, 10, 1, 5)
ball.randomize_angle()
ang = ball.get_angle()
Prey.__init__(self, x, y, 10, 10, ang, 5)
def __init__(self, x, y):
aPrey = Prey(x, y, 10, 10, 1, 5)
aPrey.randomize_angle()
Prey.__init__(self, x, y, 10, 10, aPrey.get_angle(), 5)
self._color = 'blue'
def __init__(self, x, y):
aPrey = Prey(x, y, 10, 10, 1, 5)
aPrey.randomize_angle()
Prey.__init__(self, x, y, 10, 10, aPrey.get_angle(),
random.randint(3, 7))
self._color = 'red'
def __init__(self, x, y):
Prey.randomize_angle(self) # Ball for random angles
Prey.__init__(self, x, y, 10, 10, Prey.get_angle(self), 5)
